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February 12, 2026 DEP to Host Public Meeting and Hearing for “Project Hazlenut“ Data Center in Hazle Township, Luzerne County
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February 09, 2026 DEP Declares Code Orange Air Quality Action Day for Fine Particulate Matter for Tuesday February 10, 2026, in the Liberty-Clairton Area of Allegheny County and the Susquehanna Valley
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February 02, 2026 DEP Declares Code Orange Air Quality Action Day for Fine Particulate Matter for Monday February 2, 2026, in the Liberty-Clairton Area of Allegheny County
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January 31, 2026 DEP Declares Code Orange Air Quality Action Day for Fine Particulate Matter for Saturday, January 31, 2026, in the Liberty-Clairton Area of Allegheny County
Department of Environmental Protection
Our mission is to protect Pennsylvania’s air, land, and water resources while ensuring the health and safety of all residents and visitors to the commonwealth.